[INFO] updating cached repository jdhorwitz/rust_guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jdhorwitz/rust_guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jdhorwitz/rust_guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/jdhorwitz/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jdhorwitz/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jdhorwitz/rust_guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdhorwitz/rust_guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdhorwitz/rust_guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 266bc7bae279718be58baacd8ced5aeb376d427e
[INFO] sha for GitHub repo jdhorwitz/rust_guessing_game: 266bc7bae279718be58baacd8ced5aeb376d427e
[INFO] validating manifest of jdhorwitz/rust_guessing_game on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jdhorwitz/rust_guessing_game on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jdhorwitz/rust_guessing_game
[INFO] finished frobbing jdhorwitz/rust_guessing_game
[INFO] frobbed toml for jdhorwitz/rust_guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/jdhorwitz/rust_guessing_game/Cargo.toml
[INFO] started frobbing jdhorwitz/rust_guessing_game
[INFO] finished frobbing jdhorwitz/rust_guessing_game
[INFO] frobbed toml for jdhorwitz/rust_guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jdhorwitz/rust_guessing_game/Cargo.toml
[INFO] crate jdhorwitz/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jdhorwitz/rust_guessing_game against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jdhorwitz/rust_guessing_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8a245148ce89c979e1bfc5cf6e4e9a7dc65b3ab06e43cc5ff4877a9d36503e54
[INFO] running `"docker" "start" "-a" "8a245148ce89c979e1bfc5cf6e4e9a7dc65b3ab06e43cc5ff4877a9d36503e54"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "8a245148ce89c979e1bfc5cf6e4e9a7dc65b3ab06e43cc5ff4877a9d36503e54"`
[INFO] running `"docker" "rm" "-f" "8a245148ce89c979e1bfc5cf6e4e9a7dc65b3ab06e43cc5ff4877a9d36503e54"`
[INFO] [stdout] 8a245148ce89c979e1bfc5cf6e4e9a7dc65b3ab06e43cc5ff4877a9d36503e54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jdhorwitz/rust_guessing_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd4fd2299c4d55cde7e5ce502ac539188de301965f8fc74b9c09cb17fedc2688
[INFO] running `"docker" "start" "-a" "bd4fd2299c4d55cde7e5ce502ac539188de301965f8fc74b9c09cb17fedc2688"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "bd4fd2299c4d55cde7e5ce502ac539188de301965f8fc74b9c09cb17fedc2688"`
[INFO] running `"docker" "rm" "-f" "bd4fd2299c4d55cde7e5ce502ac539188de301965f8fc74b9c09cb17fedc2688"`
[INFO] [stdout] bd4fd2299c4d55cde7e5ce502ac539188de301965f8fc74b9c09cb17fedc2688
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jdhorwitz/rust_guessing_game:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 097216d38e3b524fb4b5d322c42c6546799414527d30ece72457e38ffeadb19b
[INFO] running `"docker" "start" "-a" "097216d38e3b524fb4b5d322c42c6546799414527d30ece72457e38ffeadb19b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-f4535d6636c3960f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "097216d38e3b524fb4b5d322c42c6546799414527d30ece72457e38ffeadb19b"`
[INFO] running `"docker" "rm" "-f" "097216d38e3b524fb4b5d322c42c6546799414527d30ece72457e38ffeadb19b"`
[INFO] [stdout] 097216d38e3b524fb4b5d322c42c6546799414527d30ece72457e38ffeadb19b